8/14/2019 IS.2551.1982.pdf

1/15

Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to

information for citizens to secure access to information under the control of public authorities,in order to promote transparency and accountability in the working of every public authority,

and whereas the attached publication of the Bureau of Indian Standards is of particular interest

to the public, particularly disadvantaged communities and those engaged in the pursuit of

education and knowledge, the attached public safety standard is made available to promote the

timely dissemination of this information in an accurate manner to the public.

!"#$% '(%)

!"# $ %& #' (")* &" +#,-.Satyanarayan Gangaram Pitroda

Invent a New India Using Knowledge

/0)"1 &2 324 #' 5 *)6Jawaharlal Nehru

Step Out From the Old to the New

7"#1&"8+9&"), 7:1&"8+9&")Mazdoor Kisan Shakti Sangathan

The Right to Information, The Right to Live

!"# %& ;

8/14/2019 IS.2551.1982.pdf

2/15

8/14/2019 IS.2551.1982.pdf

3/15

8/14/2019 IS.2551.1982.pdf

4/15

IS : 2551 - 1982

I ndian St andardDANGER NOTICE PLATES

Fi rst Rev i si on )First Reprint NOVEMBER 1992

UDC 621 3-783.2 ; 614~8.013 : 003.62

0 Copyright 1983BURE U OF INDI N ST ND RDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

( Reaffirmed 2005

8/14/2019 IS.2551.1982.pdf

5/15

IS t 2551- 1982I ndian St andard

DANGER NOTICE PLATES( Fi rst Rev i si on

Code of Practice for Power Installation and Maintenance SectionalCommittee, ETDC 20Chairman

P. C MANEODI*

MembersB. C. ALVASRRI T. N. R. RAO Aftcrnatc )M. J . ANANDAMURTEYELECTRIOAL 1~8~~0~0s(TECHNIOAL) TO THEGOVERNMENT OB TAMIL

NADU Alfcmatr )SJ XRIR. C. BAJ PAI ( Altermats )

V S. BRATIA. 3RI K. K. PmT Altcrnatc )V. CHAUBALSERI K . S. J OSHI ( Alteraufr)J ~ CAL NIXNEEB- _

RepresentingGujarat Electricity Board, Vadodara

Karnataka Electricity Board, BangaloreChief Electrical Inspector to the Government ofTamil Nadu, Madras

Tata Consulting Engineers, BombaySiemens India Ltd, BombayThe Federation of Electricity Undertakings ofIndia, Bombay

Railway Board ( Ministry of Railways )DEPUTY DIRECTOR STANDARDS(ELEo)-IV, RDSO (Alternate )B ENGINEER (ELEc)-I Central Public Works Department, New DelhiSURVEYOR OF WORKS (EL &O)-I( Alternate) Electrical Engineer to the Cbvernment ofMaharashtra, BombayDEVENDER NATE Larsen & Toubro Ltd, BombaySERI T. P. R. SARYA Alternate )

Continuedon page 2 )Shri P. C. Mankodi was the Chairman for the meeting in which this standard was

Q Copyright 1983BUREAU OF INDIAN STANDARDS

his publication is protected under the Indian Copyright Act XIV of 1957 ) andduction in whole or in part by any means except with written permission of the.sher shall be deemed to be an infringement of copyright under the said Act.

8/14/2019 IS.2551.1982.pdf

6/15

IS:2551- 1982( Lbntinucdfram page 1 )

Members RepresentingSHRI K. W. DHARMA~E~EARI J yoti Ltd, VadodaraSHRI G. L. DUA Rural Electrification Corporation Ltd, New DelhiSHRI S. K. SETAI ( Alternate )SHRI D. J. HASTAE Maharashtra State Electricity Board, BombayMEMBER ( HYDRO-ELECTRIC) Central Electricity Authority, New DelhiDIRIFCTOR (HED)-I ( Alternnt~SHRI D. R. NEELAPPA REDDY NGEF Ltd, BangaloreSHRI G. S. N. MURTHY (Alternate)SHRI K. P. R. PILLAI Fact Engineering & Design Organization,Udvoeamandal HRI C. R. R. MENON (Alternate)LT-COL B. B. RAJ PAL Engineer-in-Chiefs Branch, Army Headquarters( Ministry of Defence )SHRI S. K. SHAIWARI ( Alternate)SHRI RAXES RAY CHOUDHURI Engineering Construction Corporation Limited,BombaySHRI L. E. D. CRUZ ( Alternntc)REPRESENTATIVE Bharat Heavy Electricals Ltd, SecunderabadSERI R. CHAKRAVARTY ( Alternate I )

SHRI G. L. PAHWA (Alternate II )SEBI B. M. SAMANT The Bombay Electric Supply & TransportUndertaking, BombaySHRI V. T. WARANQ Alternate)SHRI I. C. SANDER Delhi Electric Supply Undertaking, New DelhiSHRI P. S. SAWHNBY Alternate)SERI SARDUL SIN~H Chief Electrical Inspector, Government of Punjab,

ChandigarhSHRI D. S. UPPAL ( Alternate )SHRI V. SATHYANATHAN Tamil Nadu Electricity Board, MadrasSHRI S. KELISRNARAJ Alternate )SHRX R. SATYABAL Tariff Advisory Committee, General InsuranceAssociation of India, BombaySHRI K . K. MANDAL ( Alttrnatc )DR T. C. SIDRAN Chief Electrical Inspector, Governmenr of Kerala,TrivandrumSHRI H. K. SITARAX The Calcutta Electric Supply Corporation Ltd,Calcutta

SHRI S. K. PALIT ( Alternate )SHRI G. N. THADANI Engineers India Ltd, New DelhiSHRI S. 6. GOKHALP:CAlternate 1

SHRI S. VAIDYANATHAN Kerala State Electricity Board, TrivandrumSHRI R. VARADARAJ AN ( Alternate )SERI S. P. SACHDEV,Director ( Elec tech ) Director General, IS1 ( Ex-o cio Member)

SecretarySHRI K. GANESHAssistant Director ( Elec tech), IS1

( Continued onpage 0 )

8/14/2019 IS.2551.1982.pdf

7/15

IS : 2551.1982I ndian St andard

DANGER NOTICE PLATESFi rst Rev i si on

0. FOREWORD0.1 Thii Indian Standard ( First Revision ) was adopted by the IndianStandards Institution on 7 October 1982, after the draft finalized by theCode of Practice for Power Installation and Maintenance SectionalCommittee had been approved by the Electrotechnical Division Council.0.2 Under Rule No. 35 of the Xndian Electricity Rules, 1956, the owner ofevery medium, high and extra high voltage installation is required to affixpermanently in a conspicuous position a danger notice in Hindi or Englishand the local language of the district, with the sign of skull and bones andof a type approved by the Electrical Inspector. The rule is reproduwdin Appendix A.0.3 It has been however observed that in different places, different sizesand designs of such notice plates have been in use and the need forstandardizing the important features of such danger notice plates has beenlong since felt. This standard was therefore originally prepared in 1963,to cover Hindi version of the notice plates in consonance with the thenexisting rules.0.4 This revision is being brought out to cover standardized features ofnotice plates in line with IE Rule 35 as amended as well as to lay downessential requirements and tests to ensure satisfactory functioning ofdanger notice plates in use. This revision also includes recommendedequivalent to the word danger in some of the regional languages foruse in the respective states. Equivalents in other languages are underconsideration.0.5 This standard for the time being includes the requirements of dangernotice in the form of plates only. It is, however, recognized that the useof danger notices in the form of stickers are also in vogue in the countryin some States. The requirements of such danger notices in a form otherthan plates are under consideration for standardization.0.6 In the interest of universal acceptance of the message of caut.bn in thedanger notice irrespective of language consideration, it is proposed to

8/14/2019 IS.2551.1982.pdf

8/15

lS:2551-1982evolve, a standard symbol for danger which would, it is hoped in duecourse replace the present contents of danger notice.0.7 For the purpose of deciding whether a particular requirement of thisstandard is complied with, the final value, observed or calculated,expressing the result of a test, shall be rounded off in accordancewith IS: 2-1960*. The number of significant places retained in therounded off value should be the same as that of the specified value inthis standard.1. SCOPE

.

1.1 This standard covers danger notice plates to be displayed inaccordance with Rule No. 35 of the Indian Electricity Rules, 1956.2. DANGER NOTICE PLATES2.1 Dimensions2.1.1 For the purposes of this standard, two sizes of danger notice platesare recommended as below:

a) For display at medium voltage installations 200 X 150mm( see Fig. 1 )b) For high and extra high voltage installations 250 X 200 mm( see Fig. 2 )

2.1.2 All letterings shall be centrally spaced. The dimensions of theletters, figures and their respective positions shall be as given in Fig. 1and Fig. 2 for medium voltage and high and extra high voltage installa-tions respectively. The size of each letter in the word in each language,and the spacing between them for the purposes of scribing shall be sochosen that they are uniformly written in the space earmarked for them.

2.1.3 The corners of the plate shall be rounded off.2.1.4 The location of the fixing holes shall be left to the choice of theuser.

3. MATERIAL AND FINISH3.1 The plate shall be made from mild steel, at least I.6 mm thick andvitreous enamelled white, with letters, figures and the conventional skulland cross-bones in signal red colour [see IS : -1978t ] on the front side.The rear side of the plate shall also be enamelled.

*Ruler for rounding off numerical valuer ( rcuisrd ).tColours for ready mixed paints and enamels ( third autiion.

4

8/14/2019 IS.2551.1982.pdf

9/15

IS : 2551- 1982

r OT LESS TNAN 6 mm -117OIA tl BOLT TO BE USEDp. *-;r; 0

ANATE 1 - All letterings should be centrally spa-d.NOTE2-The dimensions for the words in district language are mainly forguidance, however, care should be taken to space them centrally between the edgerand the area of the skull and bones.NOTE 3 -The locationof the fixingholesshallbe left to the choiceof theuser.NOTE4- Thecornera of the plates should be rounded off.

All dimensions in millimetres.FIG. 1 DANGER NOTICE PLATE FOR MEDIUM VOLTAOE INSTALLATION

4. LANGUAGES4.1 Hindi - The word recommended to denote danger in Hindi and thetype of lettering are indicated in the specimen danger notice plates shownin Fig. 1 and 2.4.2 English - For denoting in English, the type of lettering recommendedis shown in Fig. 3.4.3 Other District Languages - The recommended equivalents to

8/14/2019 IS.2551.1982.pdf

10/15

I-- 65-----_-cl 15EQUIVALENT OF DANGERNOT LESS THAN 6mm IIN DIST LANGUAGE 35DIA Gl BOLT TO BEUSED

L------loo- 15NOT 1- All letterings should be centrally spaced. NOTE 3NOTE 2 The dimensions for the words in district language -The location of the fixing holes shall beare mainly for guidance, however, care should be taken to space lei;;;T ; choice of the user.them centrally between the edges and the area of the skull and - 11 000 volts is just specimen, actual voltagebones. is to be inserted for different system voltages.NATE 5 -The corners of the plates should berounded off.

All dimensions in millimetres.FIG. 2 DAN~RR NoTTcF Pr ATF. won Hmu bh~n l?w~o r_TJmu 17 7 van= T=~rmrr T r~rnr~

t -itJo- - *

8/14/2019 IS.2551.1982.pdf

11/15

IS t 2551.1982

15 k- - - 45 15 - 5a- - - - - - cl I - - 60- 14 51L5

I

f VOLTsIN OIST LAJi GVAGE

15 L- 45- 1 L- - - - - 45- - 1 15

2

.4-

r.F 4All dimensions in millimetres.

FIG. 3 DANGER NOTICE PLATE FOR MEDIUM VOLTAGE INSTALLATION5. MARKING5.1 The essential information that would be necessary to identify themanufacturer of the danger notice plates shall be marked, in such amanner and position on the plates that it does not interfere with the otherinformation.5.2 The danger notice plates may also be marked with the IS1 Certifica-tion Mark.

NOTE - The use of the IS1 Certification Mark is governed by the provisions ofthe Indian Standards Institution (Certification Marks) Act and the Rules andRegulations made thereunder. The IS1 Mark on products covered by an IndianStandard conveys the assurance that they have been produced to comply with therequirements of that standard under a well-defined system of inspection, testin andquality control which is devised and supervised by IS1 and operated by the pro f ucer.IS1 marked products are also continuously checked by IS1 for conformity to thatstandard as a further safeguard. Details of conditions under which a licence for theuse of the IS1 Certification Mark may be granted to manufacturen or processors,may be obtained from the Indian Standards Institution.

8/14/2019 IS.2551.1982.pdf

12/15

IS : 2551 - 19826. TESTS6.0 General

6.0.1 In order to ensure that the notice plates conform to this specifica-tion, the following essential tests are specified. The number of samplesto be tested shall be as agreed to between the supplier and the user.6.0.2 The following shall constitute the tests:

a) Visual examination,b) Dimensional check, andc) Test for wheather-proofness.

6.1 Visual Examination -The samples of notice plates shall beexamined visually for conformity to the various requirements of thisstandard in respect of the works and letters used, their relative positionand size. The colour of the paint used shall be visually compared withthe signal red colour specified in IS : 5-1978Y.6.2 Dimensional Check - The dimensions of the plate, its thicknessand the size of lettering, figures, etc, shall be checked for conformity toFig. 1 or Fig. 2 as applicable. All letterings shall be centrally spaced andshall conform generally to the stipulations in 2.1.2 to 2.1.4.6.3 Test for Weather-Proofness - For the purpose of verifying colourretention of the vitreous enamel coatings, the method of test specified inIS : 8709-19777 shall apply.

APPENDIX AClause 0.2 )

EXTRACT FROM INDIAN ELECTRICITY RULES, 1956Rules 35 Danger Notices - The owner of every medium, high andextra high voltage installation shall affix permanently in a conspicuousposition a danger notice in Hindi or English and the local languages ofthe district, with a sign of skull and bones and of a type approved by theInspector on:a) every motor, generator, transformer and other elecrical plant andequipment together with apparatus used for controlling orregulating the same.

Colours for ready mixed paints and enamels ( thi rd r cr~i si on .tMethod of tests for colour retention of vitreous enamel coatings.

8

8/14/2019 IS.2551.1982.pdf

13/15

IS : 2551- 1982b) all supports of high and extra high voltage overhead liner whichcan be easily climbed upon without the aid of ladder or specialappliances.

Explanation - rails, tubular poles, wooden supports, reinforcedcement concrete poles without steps. I-sections and channels,shal be deemed as supports which cannot be easily climbed uponfor the purposes of this clause.

c) Luminous tube sign requiring high voltage supply, X-ray andsimilar high-frequency installations.Provided that where it is not possible to affix notices on any generatbr,motor, transformer or other apparatus, they shall be affixed as near aspossible thereto; or the word danger and the voltage of the apparatusconcerned shall be permanently painted on it.Provided further that where the generator, motor, transformer or otherapparatus is within an enclosure, one notice affixed to the said enclosureshall be sufficient for the purpose of this rule.

APPENDIX BClause 4.3 )

RECOMMENDED EQUIVALENTS TO DANGER IN SOMEREGIONAL LANGUAGESLanguage

PunjabiUrduMarathiTamilMalayalamBengaliOriya

Equivalent to the word Danger tf339

8/14/2019 IS.2551.1982.pdf

14/15

IS : 2551 - 1982( Continuedfrom pug6 2 )

Panel for Safety Procedures, ETDC 2O/P35Convener Reprssenting

Sass P. C. MANKODI Gujarat Electricity Board, VadodaraMembers

SHRI J. H. PATEL ( Alternate toShri P. C. Mankodi )CHIEF ENGINEER ( ELEC )-I Central Public Works Department, New DelhiSEBI B. GUPTA SHARMA ( Alternate )DIRECTOR ( COMMERCIAL Central Electricity Authority, New DelhiDEPUTY DIRECTOR (L L) ( Alternate )SERI H. N. GUPTA Directorate General of Factory, BombaySERI G. VA~DYANATHAN Alternatc )SERI D. J. HASTAK Maharashtra State Electricity Board, BombaySHRI D. NARAYANA RAO Karnataka Electricity Board, BangaloreDR T. C. SIDHAN Chief Electrical Inspector, Government of Kerala,Trivandrum

8/14/2019 IS.2551.1982.pdf

15/15

BUREAU OF INDIAN STANDARDSHeadquarters :Mmak Bhavan, 9 Bahadur Shah Zafar Marg. NEW DELHI 110002Telephones : 331 01 31 Telegrams : Manaksansths

331 13 75 (Common to all Offices)Regional Off ices :Central : Manak Bhavan. 9, Bahadur Shah Zafar Marg.NEW DELHI 110002* Eastern : l/l4 C.I.T. Scheme VII M.V.I.P. Road, Maniktola. CALCUTTA 700054Northern : SC0 445-446, Sector 35-C, CHANDIGARH 160036Southern : C.I.T. Campus, IV Cross Road, MADRAS 600113t Western : Manakalaya, E9 MIDC. Marol. Andheri (East),BOMBAY 400093Branch Off ices :Pushpak, Nurmohamed Shaikh Marg, Khanpur, AHMADABAD 380001t Peenya Industrial Area, 1 st Stage, Bangalore-Tumkur Road,

BANGALORE 560058Gangotri Complex, 5th Floor, Bhadbhada Road, T.T. Nagar.BHOPAL 462003Plot No. 82183, Lewis Road, BHUBANESHWAR 751002Kalai Kathir Building, 6/48-A Avanasi Road, COIMBATORE 641037Quality Marking Centre, N.H. IV, N*I.T., FARIDABAD 121001Savitri Complex, 116 G. T. Road, GHAZIABAD 20100153/5 Ward NO. 29, R.G. Barua Road, 5th By-lane,GUWAHATI 7810035-8-56C L. N. Gupta Marg, ( Nampally Station Road )HYDERABAD 500001RI4 Yudhister Marg, C Scheme, JAIPUR 302005117/418 B Sarvodaya Nagar, KANPUR 208005Plot No. A-9, House No. 561/63. Sindhu Nagar, Kanpur Road,LUCKNOW 226005Patliputra lndustria Estate, PATNA 800013District Industries Centre Complex, Bagh-e-Ali Maiden.SRINAGAR 190011T. C. No. 14/1421, University P. 0.. Palayam.THIRUVANANTHAPURAM 695034fnspect ion Off ices (With Sale Point) :Pushpanjali. First Floor, 205-A West High Court Road.

Shankar Nagar Square, NAGPUR 440010Institution of Engineers (India) Building, 1332 Shivaji Nagar.PUNE 411005 -Sales Office Calcutta is at 5 Chowringhee Approach.P. 0. Princep Street, CALCUTTAt Sales Office is at Novelty Chambers, Grant Road, BOMBAY

Sales Office is at Unity Building, Narasimharaja Square,BANGALORE

Telephone

I33 01 31331137537 86 62

2184341 2918

8329295

2834839 49 5555 40 21

538272 67 05

8-71 19 9633177

231083634 71

21 68765 55076 2305-

6 21 00

52 51 715 2435

27 68008965 28223971

Printed at Dee Kay Prmters. New Delhi. India